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Dry Needling for Hamstring Flexibility: A Single-Blind Randomized Controlled Trial.

Dry Needling for Hamstring Flexibility: A Single-Blind Randomized Controlled Trial.

J Sport Rehabil. 2020 Oct 07;:1-6

Authors: Alaei P, Nakhostin Ansari N, Naghdi S, Fakhari Z, Komesh S, Dommerholt J

CONTEXT: Hamstring muscle tightness is one of the most common problems in athletic and healthy people. Dry needling (DN) was found to be an effective approach for improving muscle flexibility, but there is no study to compare this approach with static stretching (SS) as a common technique for the increase of muscle length.
OBJECTIVE: To compare the immediate effects of DN and SS on hamstring flexibility in healthy subjects with hamstring tightness.
STUDY DESIGN: A single-blind randomized controlled trial.
SETTING: A musculoskeletal physiotherapy clinic at Tehran University of Medical Sciences.
SUBJECTS: Forty healthy subjects (female: 32, age range: 18-40 y) with hamstring tightness were randomly assigned into 2 groups of DN and SS.
INTERVENTION: The DN group received a single session of DN on 3 points of the hamstring muscles, each for 1 minute. The SS group received a single session of SS of the hamstrings, consisting of 3 sets of 30-second SS with a 10-second rest between sets in the active knee extension test (AKET) position.
MAIN OUTCOME MEASURES: The AKET, muscle compliance, passive peak torque, and stretch tolerance were measured at the baseline, immediately, and 15 minutes after the interventions.
RESULTS: Improvements in all outcomes was better for the DN group than for the SS group. DN increased muscle compliance significantly 15 minutes after the intervention, but it did not improve in the SS group.
CONCLUSION: DN is effective in improving hamstring flexibility compared with SS. One session of DN can be an effective treatment for hamstring tightness and increase hamstring flexibility. The improvements suggest that DN is a novel treatment for hamstring flexibility.

PMID: 33027765 [PubMed – as supplied by publisher]


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